Superclass Spirotricha Bütschli, 1889 see Class Spirotrichea Bütschli, 1889
   Class Oligotrichea Bütschli, 1889 see Subclass Oligotrichia Bütschli, 1889
     Subclass Halteriia Petz & Foissner, 1992 see Order Halteriida Petz & Foissner, 1992
       Order Halteriida Petz & Foissner, 1992 see Order Sporadotrichida Fauré-Fremiet, 1961
         Family Halteriidae Claparède & Lachmann, 1858
           1 Genus Halteria Dujardin, 1841
           2 Genus Pelagohalteria Foissner et al., 1988
           3 Genus Meseres Schewiakoff, 1893[1892]